EP 0428944 A3 19910828 - PITCH BASED CARBON FIBERS
Title (en)
PITCH BASED CARBON FIBERS
Publication
Application
Priority
JP 29922689 A 19891117
Abstract (en)
[origin: EP0428944A2] The present invention resides in carbon fibers essentially consisting of liquid crystal pitch based continuous monofilaments having an average filament diameter of 20 mu m or greater. The carbon fibers of the present invention can have modulus of elasticity of 80,000 Kgf/mm<2> or greater and tensile strength of 200 Kgf/mm<2> or greater. The carbon fibers of the present invention can be used as a multifilament fiber consisting of plural monofilaments as in case of conventional carbon fibers but it is particularly preferable that a number of constituting monofilaments is one.
IPC 1-7
IPC 8 full level
D01F 9/14 (2006.01); D01F 9/145 (2006.01)
CPC (source: EP)
D01F 9/145 (2013.01)
Citation (search report)
- [X] EP 0338212 A2 19891025 - DU PONT [US]
- [X] US 4005183 A 19770125 - SINGER LEONARD SIDNEY
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0428944 A2 19910529; EP 0428944 A3 19910828; EP 0428944 B1 19960214; DE 69025376 D1 19960328; DE 69025376 T2 19960620; JP 2711918 B2 19980210; JP H03161523 A 19910711
DOCDB simple family (application)
EP 90121410 A 19901108; DE 69025376 T 19901108; JP 29922689 A 19891117